Q: What is the process about End-to-End testing strategy?
A: This is a process mainly related to execute the flow of module. With some other words to verify a cycle of functionality.
A process where it comes with expected result from initial to final phase. Like there is a module in site/app to recharge mobile service balance there process starts with service detail, amount and location then goes to expected service according to need as 2G, 3G, 4G and may other services then it goes to service charge amount after it payment process comes then confirmation receipt/message deliver to user.
Simply to know process end to end verification get this instance:- There is a registration form and user is registering with valid values now process is done and user get message like registration is successful now further owner of site will get a email notification about new registration and record is saved in database and lead management then can be a simple way to get more about end to end process.
So this is a process with some examples. There may be two or more than two modules connected in a site/app to be executed by QA Team.